Jabong.com — product not delivered but status shows delivered

I placed an order on 14th august and my order id is 111766619264916161501. My product consisted of three items, one of which dress berry black metal necklace chain shows delivered. However, i have not received the item till now.
Although they delivered the bill for that item along with another item there was just one thing inside the package. There is no way to even contact them now from their portal.
I am highly dissatisfied with their service and they do not even provide a way to convey our problems through their portal which is simply pathetic.